"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : GUC参数
Case Name   : 修改参数allocate_mem_cost为其他数据类型，观察预期结果
Create At   : 2021-10-9
Owner       : opentestcase005
Description :
    1.show参数默认值
    2.修改参数默认值为test
Expect      :
    1.参数默认值为0
    2.修改参数默认值为test，合理报错
History     :
    modified by opentestcase013 at 2022-09-14:优化用例，修改合理报错信息
"""

import unittest

from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import Node


class Guc(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.log.info('Opengauss_Function_Guc_Parameter_Case1244开始')
        self.dbuser = Node('dbuser')
        self.constant = Constant()
        self.commonsh = CommonSH('PrimaryDbUser')

    def test_guc_parameter(self):
        text = '--step1:show参数默认值;expect:参数默认值0--'
        self.log.info(text)
        sql_cmd = self.commonsh.execut_db_sql(f'show allocate_mem_cost;')
        self.log.info(sql_cmd)
        self.default_value = sql_cmd.splitlines()[2].strip()
        self.log.info(self.default_value)
        error_msg1 = 'ERROR: The parameter "allocate_mem_cost" requires' \
                     ' a numeric value.'

        text = '--step2:修改参数默认值为test--;expect:合理报错--'
        self.log.info(text)
        mod_msg = self.commonsh.execute_gsguc('set',
                                              error_msg1,
                                              'allocate_mem_cost =test')
        self.log.info(mod_msg)
        self.assertTrue(mod_msg, '执行失败:' + text)

    def tearDown(self):
        self.log.info('--无需清理环境--')
        self.log.info('Opengauss_Function_Guc_Parameter_Case1244结束')
